#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;

int main() {

    char str[30] = { 0 };
    cin.getline(str, sizeof(str));

    int m;
    cin >> m;

    // write your code here......
    char* p = NULL;
    p = &str[m - 1];
    cout << p;

    return 0;
}
